Hello,
I established a connection between my central and peripheral module. Now i want to write characteristic value on peripheral. I tried with sd_ble_gattc_write function...
I am using the NRF24l01 for my products and looking to buy in bulk(100-1000). Now I know where to buy the just the IC but antenna design is a hard point to break right now...
Hi, my friend,
I've been with nrf905. I use a 16-bit CRC check.
But I encountered problems in use:
1.Nrf905 16-bit CRC check format is CRC-16(IBM):X16+X15+X2+1 or other...
I have two custom PCBs, each of which has a microcontroller and an nrf24L01+. Everything related to the transceiver in the designs are complete duplicates (with the exception...
Hello,
I've built a small BLE-device based on the nrf8001.
With my Iphone I can discover this device and I am able to connect to it and listen to notifications of the...
Our pcb is used for gps location data. We have a nrf24L01 nordic chip as the micro process or between the gps module and wireless module (2G). Our engineer needs to capture...
Hey folks,
I'm trying to modify the SPI Master loop back example into a 4 line SPI Master_Slave program. Whenever I change the Tx_Buffer_lenght from 10 to lsome other numbers...
I've just found through some trial and error that SoftDevice (s130 at least) on the nRF51 DK handles a sequence of notifications in the following manner:
call sd_ble_gatts_hvx...
Is it possible to （central side） send scan request fill the content based on received advertise information？
We want to control scan request message based on advertise content...
I am an experienced developer but struggling to understand nRF9160. Where can I find .h files defining HW? Where can I find data sheets describing peripherals? My task is...
Dear friend
Based on sdk17.0.2, in the ble_app_hrs routine, set NRF_SDH_BLE_SERVICE_CHANGED to 1, and by observing with nrf connect app, you can see that the Android phone...
If you take a 1K variable to a local variable, the AP will drop.
Static variables do not fall off.
I think it's a stack size issue, but how do I specify the stack size...
I am trying to get an nRF52811 to do extended advertising.
I am using: nRF5_SDK_17.0.2, version 7.2.0 of s140, SEGGER Embedded Studio 4.52, Windows 10
I have stripped...
I would like to confirm the update process when using nRF5SDK160098a08e2. I am aware of the following update process ----- Startup process: -MBR checks NRF_UICR->BOOTLOADERADDR...
Hello there,
I know how to measure the current based on Nordic tutorial. However, if I connected an external accelerometer by connecting Vdd and Gnd from nordic ev kit to...
Hi,
I want to run a CoAP server with Zephyr on a Thingy:91 over NB-IoT. Now I noticed that the Thingy only gets a private IPv4 address (10.x.x.x) from my provider which...
Hi, I am working on my custom made board, and I use P09 and P10 as digital outputs. I am aware I should disable NFC by adding the preprocessor: "CONFIG_NFCT_PINS_AS_GPIOS...
Hi All:
As the topic...........
1.what is the relations between the HID descriptor and data IN/OUT buffer?
2.Is the USB generic HID receiver_Function and tansmit_Function...
When launching the nRF9160, the following error occurred: <inf> at_host: UART check failed: 12. Dropping buffer and retrying.
Under what conditions does this come out? ...
I am trying to add DFU to my project, so I merged in the code from the example in the SDK as follows:
I included the same .c files as the example project
I copied over...
Hi,
I did some measurements today on our I2C bus and see that the GND level is different some times. The most time it is not GND level (about 800mV). I checked cross talk...
